[Pgpool-hackers] health_check_password configuration option

[Nicolas Thauvin]

Hello,

We are currently not able to specify the password of the health check
user, which is needed at least for streaming replication lag.  So I
added the possibility to specify it in the configuration file, in the
attached patch.

Also, I find the error message in check_replication_time_lag()
(pool_worker_child.c) not friendly :

pool_error("check_replication_time_lag: DB node is valid but no
persistent connection");

What about sending this error message to the debug level and adding a
second message on the error level?  Fro example:

pool_error("check_replication_time_lag: could not connect to DB node %d,
check health check configuration", i);

Regards,
-- 
Nicolas Thauvin
DBA
http://www.dalibo.com
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